ON Semiconductor
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BC238ATFR
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BC238ATFR

Product Overview

Category

The BC238ATFR belongs to the category of small-signal transistors.

Use

It is commonly used for amplification and switching applications in electronic circuits.

Characteristics

  • Low power dissipation
  • High current gain
  • Low noise

Package

The BC238ATFR comes in a TO-92 package, which is a widely used through-hole package for transistors.

Essence

This transistor is essential for low-power electronic applications requiring signal amplification or switching.

Packaging/Quantity

The BC238ATFR is typically packaged in reels containing 2000 units.

Specifications

  • Collector-Base Voltage (VCBO): 50V
  • Collector-Emitter Voltage (VCEO): 45V
  • Emitter-Base Voltage (VEBO): 6V
  • Collector Current (IC): 100mA
  • Power Dissipation (PD): 625mW
  • Transition Frequency (fT): 150MHz

Detailed Pin Configuration

The BC238ATFR has three pins: 1. Collector (C) 2. Base (B) 3. Emitter (E)

Functional Features

  • High current gain
  • Low noise
  • Suitable for low-power applications

Advantages

  • Low power dissipation
  • Versatile usage in amplification and switching circuits
  • Compact TO-92 package

Disadvantages

  • Limited collector current compared to higher-power transistors
  • Lower voltage and power ratings compared to high-power transistors

Working Principles

The BC238ATFR operates based on the principles of bipolar junction transistors, utilizing the control of current flow between its terminals to amplify or switch electronic signals.

Detailed Application Field Plans

The BC238ATFR is commonly used in: - Audio amplifiers - Signal amplification circuits - Switching circuits - Oscillator circuits

Detailed and Complete Alternative Models

Some alternative models to the BC238ATFR include: - BC337 - 2N3904 - 2N2222

In conclusion, the BC238ATFR is a versatile small-signal transistor with low power dissipation, making it suitable for various amplification and switching applications in electronic circuits.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق BC238ATFR في الحلول التقنية

  1. What is the BC238ATFR transistor used for?

    • The BC238ATFR transistor is commonly used for amplification and switching applications in electronic circuits.

  2. What are the key specifications of the BC238ATFR transistor?

    • The BC238ATFR transistor is a general-purpose NPN bipolar junction transistor (BJT) with a maximum collector current of 100mA, a maximum collector-emitter voltage of 45V, and a maximum power dissipation of 625mW.

  3. Can the BC238ATFR be used for audio amplifier circuits?

    • Yes, the BC238ATFR can be used in low-power audio amplifier circuits due to its moderate current and voltage ratings.

  4. Is the BC238ATFR suitable for switching applications?

    • Yes, the BC238ATFR can be used for low-power switching applications such as driving small relays or LEDs.

  5. What are the typical operating conditions for the BC238ATFR?

    • The BC238ATFR operates within a temperature range of -55°C to 150°C and is typically used in low to moderate frequency applications.

  6. Does the BC238ATFR require a heat sink for normal operation?

    • In most low-power applications, the BC238ATFR does not require a heat sink. However, for high-power applications or when operating close to its maximum ratings, a heat sink may be necessary.

  7. Can the BC238ATFR be used in oscillator circuits?

    • Yes, the BC238ATFR can be used in oscillator circuits at lower frequencies due to its moderate frequency response.

  8. What are the typical gain characteristics of the BC238ATFR?

    • The BC238ATFR has a moderate current gain (hFE) ranging from 110 to 800, making it suitable for various amplification applications.

  9. Are there any common alternative transistors to the BC238ATFR?

    • Common alternatives to the BC238ATFR include the BC337, 2N3904, and 2N2222 transistors, which have similar characteristics and can be used in its place in many applications.

  10. Where can I find detailed datasheets and application notes for the BC238ATFR?

    • Detailed datasheets and application notes for the BC238ATFR can be found on semiconductor manufacturer websites, distributor websites, or electronics component databases.